But new research shows it's not a requirement for relationship and sexual satisfaction, two key indicators of wellbeing that ...

If you're considering trying ethical non-monogamy, relationship experts explain what it is, different types, and how to do it ...

About 3 to 5% of mammals are known to be monogamous, meaning they select one mate for life. Still, many monogamous species ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

This is a red flag that needs further exploration rather than immediate judgment. If they’re willing to open up about it and ...

In societies where polygamy is illegal, humans are actually a lot better at being monogamous than most people think.

My wife and I (both near 50) have been married for 17 years. We are great partners and love each other deeply. A couple of ...

A woman has revealed how she met her partner while looking for a man to “share” in the bedroom with her husband.

In humans, personality similarity between partners can lead to better compatibility and well-being. Is the same true for ...

Natalie Davis’ memoir "Saying Yes" offers a raw, honest look at her transition from a conventional marriage to a life of ...

Social media has made orbiting—the noncommittal dating offense of staying in touch, but out of reach—easier than ever. Here’s ...